diff --git a/ui/jquery.ui.tabs.js b/ui/jquery.ui.tabs.js
index dcb0c27689..d1c7448d62 100644
--- a/ui/jquery.ui.tabs.js
+++ b/ui/jquery.ui.tabs.js
@@ -718,7 +718,9 @@ $.widget( "ui.tabs", {
 			}
 		});
 
-		this.panels.show();
+		this.panels.css({
+			display: ""
+		});
 
 		if ( this.options.heightStyle !== "content" ) {
 			this.panels.css( "height", "" );